subject
Mathematics, 11.10.2020 19:01 marissaimuniz

At a large distance r from a radio antenna, the intensity of the radio signal I is related to the P
power of the signal P by the formula I = P/ 4r^2Which of the following expresses the square
of the distance from the radio antenna in terms of the intensity of the radio signal and the
power of the signal?
47182

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:10, shamiya15
Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left
Answers: 1
image
Mathematics, 21.06.2019 16:40, naomicervero
Which of the following is the correct equation for this function? a. y= (x+4)(x+2) b. y=x^2+ 3x – 2 c. y+ 2 = – 2(x+3)^2 d. y+ 2 = 2(x+3)^2
Answers: 1
image
Mathematics, 21.06.2019 17:00, JOEREACH
Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.
Answers: 1
image
Mathematics, 21.06.2019 18:00, Katyazamo
If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?
Answers: 1
You know the right answer?
At a large distance r from a radio antenna, the intensity of the radio signal I is related to the...

Questions in other subjects:

Konu
Mathematics, 16.10.2020 16:01
Konu
Mathematics, 16.10.2020 16:01